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Early Jacobean embroidery often featured scrolling floral patterns worked in colored silks on linen, a fashion that arose in the earlier Elizabethan era.Embroidered jackets were fashionable for both men and women in the period 1600-1620, and several of these jackets have survived.
The depth changes abruptly over a comparatively short distance. Rapidly varied flow is known as a local phenomenon. Examples are the hydraulic jump and the hydraulic drop. Gradually-varied flow. The depth changes over a long distance. Continuous flow. The discharge is constant throughout the reach of the channel under consideration. This is ...
Many sashiko patterns were derived from Chinese designs, but just as many were developed by native Japanese embroiderers; for example, the style known as kogin-zashi, which generally consists of diamond-shaped patterns in horizontal rows, is a distinctive variety of sashiko that was developed in Aomori Prefecture.
More widely known sashiko is a more decorative form of boro, and is characterized by geometric patterns. [9] These elements include fish scales, diamonds, mountains, bamboo, leaves, arrows, pampas grass, and shippo-tsunagi (a pattern consisting of interlocking geometric shapes symbolizing the "seven treasures").
In a hydraulic circuit, net positive suction head (NPSH) may refer to one of two quantities in the analysis of cavitation: The Available NPSH (NPSH A): a measure of how close the fluid at a given point is to flashing, and so to cavitation. Technically it is the absolute pressure head minus the vapour pressure of the liquid.
In fluid dynamics, pipe network analysis is the analysis of the fluid flow through a hydraulics network, containing several or many interconnected branches. The aim is to determine the flow rates and pressure drops in the individual sections of the network. This is a common problem in hydraulic design.
Hydraulic head (or piezometric head) is a specific measurement of the potential of water above a vertical datum. [7] It is the height of the free surface of water above a given point beneath the surface. [4] Pumping level is the level of water in the well during pumping. [8] Specific capacity is the well yield per unit of drawdown. [8]
The hydraulic diameter, D H, is a commonly used term when handling flow in non-circular tubes and channels. Using this term, one can calculate many things in the same way as for a round tube. Using this term, one can calculate many things in the same way as for a round tube.